Fundamental Physical Constants from NIST - The values of the fundamental physical constants provided at this site are recommended for international use by CODATA and are the latest available. -- http://physics.nist.gov/cuu/Constants/index.html

Andes Physics Tutor - Andes is an intelligent tutoring system which teaches students how to solve physics problems. It provides a complete set of homework problems for an Introductory College Physics course or a high school AP physics course. -- http://www.andes.pitt.edu/

Web Physics Project - A flexible low budget outlet for small volume, high quality, HTML-based curricular material. It provides a forum for physics educators to exchange curriculum ideas and resources that make use of web technology (primarily public domain material), and provides a medium for the dissemination of student work. -- http://webphysics.davidson.edu/

Mathematical Thinking in Physics - Articles, essays, and problems designed for students to learn more about the importance of math in the study and application of physics. -- http://www.lerc.nasa.gov/WWW/K-12/Numbers/Math/Mathematical_Thinking/index.htm

QuarkNet - Supports centers at 60 universities and laboratories that are participants in the collider experiments at CERN in Switzerland and at Fermilab in Illinois. Physicists will mentor and collaborate with high school teachers. Stipends are provided to the teachers who participate. -- http://quarknet.fnal.gov/

Open Text - Project to provide high quality free physics teaching materials to anyone who has access to the Internet. Similar to the “open source” concept for computer software. A cooperative building site for physics materials. -- http://www3.baylor.edu/Physics/open_text/

West Point Bridge Design Contest - Bridge design contest (using specialized software) run a service to education and as a tribute to the U.S. Military Academy's two hundred years of service to the United States of America. U.S. students age 13 through grade 12 are eligible for prizes. Anyone else may enter the Open Competition. Overview, rules, resources, software download and FAQ. -- http://bridgecontest.usma.edu/